lib/mlibc/tests/posix/rindex.c


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#include <strings.h>
#include <assert.h>

int main() {
  char str[] = "This is a sample string";
  char *pch;
  pch = rindex(str, 's');
  // The last occurence of 's' is at position 18
  assert(pch - str + 1 == 18);
  return 0;
}